One-step completions of hermitian partial matrices with minimal negative signature
- Gheondea, Aurelian
DOIAbstract
AbstractThe negative signature of hermitian completions of the partial matrix aBB∗BE∗Ed is computed
AbstractThe negative signature of hermitian completions of the partial matrix aBB∗BE∗Ed is computed
In this paper, we provide a method to complete a (0, 1)-matrix without total support via the minimal...
AbstractAn n-by-n matrix is called a Π-matrix if it is one of (weakly) sign-symmetric, positive, non...
An n x n matrix is called an N-matrix if all principal minors are negative. In this paper, we are in...
AbstractIt is proved that the range of the negative signature of the hermitian completions of the pa...
AbstractWe classify the ranks of positive semidefinite completions of Hermitian band matrices and ot...
AbstractThe question of which partial Hermitian matrices (some entries specified, some free) may be ...
AbstractLinear fractional descriptions are given for Hermitian completions of partial banded matrice...
A real n by n matrix B is a P_0^+ -matrix if for each k in {1, 2, . . . , n} every k by k principal ...
SIGLEAvailable from British Library Document Supply Centre- DSC:7673.7004(88/60) / BLDSC - British L...
An $n\times m$ matrix is called an $N$-matrix if all principal minors are negative. In this paper, w...
AbstractA method is described for determining whether a positive definite completion of a given part...
AbstractJordan forms of completions of partial Jordan matrices are studied. Our approach is based on...
AbstractA P-matrix is a real square matrix having every principal minor positive, and a Fischer matr...
Dealing with matrices can give us a hard time, especially when their dimension is too big, but we al...
This work concerns completion problems for partial operator matrices. A partial matrix is an m-by-n ...
In this paper, we provide a method to complete a (0, 1)-matrix without total support via the minimal...
AbstractAn n-by-n matrix is called a Π-matrix if it is one of (weakly) sign-symmetric, positive, non...
An n x n matrix is called an N-matrix if all principal minors are negative. In this paper, we are in...
AbstractIt is proved that the range of the negative signature of the hermitian completions of the pa...
AbstractWe classify the ranks of positive semidefinite completions of Hermitian band matrices and ot...
AbstractThe question of which partial Hermitian matrices (some entries specified, some free) may be ...
AbstractLinear fractional descriptions are given for Hermitian completions of partial banded matrice...
A real n by n matrix B is a P_0^+ -matrix if for each k in {1, 2, . . . , n} every k by k principal ...
SIGLEAvailable from British Library Document Supply Centre- DSC:7673.7004(88/60) / BLDSC - British L...
An $n\times m$ matrix is called an $N$-matrix if all principal minors are negative. In this paper, w...
AbstractA method is described for determining whether a positive definite completion of a given part...
AbstractJordan forms of completions of partial Jordan matrices are studied. Our approach is based on...
AbstractA P-matrix is a real square matrix having every principal minor positive, and a Fischer matr...
Dealing with matrices can give us a hard time, especially when their dimension is too big, but we al...
This work concerns completion problems for partial operator matrices. A partial matrix is an m-by-n ...
In this paper, we provide a method to complete a (0, 1)-matrix without total support via the minimal...
AbstractAn n-by-n matrix is called a Π-matrix if it is one of (weakly) sign-symmetric, positive, non...
An n x n matrix is called an N-matrix if all principal minors are negative. In this paper, we are in...
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